Which is the major mean of heat transfer in a Double Pipe heat exchan

1.	Which is the major mean of heat transfer in a Double Pipe heat exchanger?
A.	Convection
B.	Conduction
C.	Radiation
D.	Combined Convection and Conduction
Answer» E.

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Which is the major mean of heat transfer in a Double Pipe heat exchanger?

Which is the major mean of heat transfer in a Double Pipe heat exchanger?

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